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I am running an Asus P2-M2A690G barebones PC which has the Radeon 1250 integrated onboard plus HDMI output. I have it connected up via HDMI to a HDTV running 1080p res.

Running mythbuntu 8.4.1 and updates with the ATI drivers installed as per the instructions on cchtml. Everything looks to be working OK but I am still getting checkerboard of doom when running the MythTV frontend. Setting a "virtual X Y" in xorg.conf does work around the problem but is not really usable.

There is a second problem even when running the larger virtual screen when trying to view TV where the display gets split horizontally with both halves showing a squashed version of the image, but I think that might be a different issue.

itomkins, before you installed the 8.9 drivers did you uninstall the old ones, or did you just install the new ones over the old ones? I would suggest uninstalling the drivers, rebooting and then reinstalling them and seeing if this fixes your problems.

itomkins, before you installed the 8.9 drivers did you uninstall the old ones, or did you just install the new ones over the old ones? I would suggest uninstalling the drivers, rebooting and then reinstalling them and seeing if this fixes your problems.

To avoid any issues I did a fresh install of Mythbuntu, so I never installed the ATI drivers from the repositories. This is what I get from fglrxinfo.

That's what should be appearing, so at least we know that Mythbuntu is loading the driver properly. When you open the Catalyst Control Center, under Information, and then Software, what is the driver version listed? For 8.9 it should show 8.53.4

That's what should be appearing, so at least we know that Mythbuntu is loading the driver properly. When you open the Catalyst Control Center, under Information, and then Software, what is the driver version listed? For 8.9 it should show 8.53.4